code: def get_facet_nrows_and_ncols(
      self, num_facet_values: int
  ) -> Tuple[int, int]:
      if self.ncol is not None:
          return (n_partitions(num_facet_values, self.ncol), self.ncol)
      elif self.nrow is not None:
          return (self.nrow, n_partitions(num_facet_values, self.nrow))
      else:
          ncol = int(math.ceil(math.sqrt(num_facet_values)))
          return (n_partitions(num_facet_values, ncol), ncol)
  
file_path: hail/hail/python/hail/ggplot/facets.py
imports: import abc
  import math
  from typing import Dict, Tuple
  from .geoms import FigureAttribute
  from .utils import n_partitions
  import hail
  from hail import Expression, StructExpression
label_desc: Use image node_id 3 for calling the FacetWrap obj's underlying member method code with example usage: obj.get_facet_nrows_and_ncols(num_facet_values) and returns: n_partitions,  self, self,  n_partitions, n_partitions,  ncol